/* AITashkent.uz — 2026 */
:root{
  --bg:#ffffff;--bg-soft:#f5f6fa;--card:#ffffff;--text:#0e1220;--muted:#5a6377;--line:#e5e7ee;
  --accent:#3b5bfd;--accent-hover:#2a47e0;--accent-soft:#eef1ff;--tg:#229ed9;--tg-hover:#1b88bb;
  --radius:14px;--radius-lg:22px;--shadow:0 1px 2px rgba(14,18,32,.04),0 8px 24px rgba(14,18,32,.06);
  --wrap:1160px;--font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b0e17;--bg-soft:#11151f;--card:#141926;--text:#eef1f8;--muted:#a1a9bb;--line:#232a3a;
    --accent:#6b84ff;--accent-hover:#8297ff;--accent-soft:#1a2140;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25)}
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.65 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;letter-spacing:-.02em;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(2rem,4.2vw,3.4rem);letter-spacing:-.03em}
h2{font-size:clamp(1.6rem,2.8vw,2.3rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--accent);color:#fff;padding:8px 14px;border-radius:8px;z-index:200}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;min-height:48px;padding:.75rem 1.4rem;border-radius:999px;border:1px solid transparent;font:600 1rem/1.2 var(--font);cursor:pointer;text-decoration:none!important;transition:background .2s,border-color .2s,transform .2s,color .2s;white-space:nowrap}
.btn:active{transform:translateY(1px)}
.btn svg{width:20px;height:20px;flex:none}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-tg{background:var(--tg);color:#fff}
.btn-tg:hover{background:var(--tg-hover)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--text)}
.btn-sm{min-height:40px;padding:.5rem 1rem;font-size:.92rem}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.6) blur(14px);-webkit-backdrop-filter:saturate(1.6) blur(14px);border-bottom:1px solid var(--line)}
.header-row{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;color:var(--text);letter-spacing:-.02em;text-decoration:none!important}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;font-size:.85rem;font-weight:800;letter-spacing:0}
.main-nav{display:flex;gap:4px;margin-left:auto}
.main-nav a{color:var(--muted);font-size:.95rem;font-weight:500;padding:8px 12px;border-radius:8px;text-decoration:none}
.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--text);background:var(--bg-soft)}
.header-actions{display:flex;align-items:center;gap:8px}
.lang{display:flex;gap:2px;font-size:.82rem;font-weight:600}
.lang a{color:var(--muted);padding:6px 8px;border-radius:6px;text-decoration:none}
.lang a[aria-current="true"]{color:var(--text);background:var(--bg-soft)}
.icon-btn{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:999px;background:var(--tg);color:#fff}
.icon-btn:hover{background:var(--tg-hover)}
.icon-btn svg{width:20px;height:20px}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);background:transparent;border-radius:10px;color:var(--text);cursor:pointer}
.menu-toggle svg{width:22px;height:22px}
@media (max-width:960px){
  .main-nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 20px 18px}
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 8px;font-size:1.05rem}
  .menu-toggle{display:inline-grid;place-items:center}
  .header-actions{margin-left:auto}
  .header-actions .btn-primary{display:none}
}

/* breadcrumbs */
.crumbs{font-size:.9rem;color:var(--muted);padding:18px 0 0}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li{display:flex;align-items:center;gap:6px}
.crumbs li+li::before{content:"›";opacity:.6}
.crumbs a{color:var(--muted)}
.crumbs [aria-current]{color:var(--text)}

/* sections */
section{padding:88px 0;scroll-margin-top:68px}
.prose h2[id]{scroll-margin-top:84px}
.section-soft{background:var(--bg-soft)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--accent);background:var(--accent-soft);padding:6px 12px;border-radius:999px;margin-bottom:18px}
.lead{font-size:1.15rem;color:var(--muted);max-width:720px}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{color:var(--muted);font-size:1.08rem}

/* hero */
.hero{padding:72px 0 80px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:center}
.hero h1 span{color:var(--accent)}
.hero .lead{margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}
.facts{display:flex;flex-wrap:wrap;gap:28px;margin:0;padding:24px 0 0;border-top:1px solid var(--line);list-style:none}
.facts li{display:flex;flex-direction:column}
.facts b{font-size:1.5rem;letter-spacing:-.02em}
.facts span{font-size:.9rem;color:var(--muted)}
.expert{position:relative;max-width:400px;justify-self:end;width:100%}
.expert img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-lg);background:#111;-webkit-user-drag:none;user-select:none;pointer-events:none}
.expert figcaption{position:absolute;left:16px;right:16px;bottom:16px;background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:var(--radius);padding:12px 16px;font-size:.92rem;line-height:1.4;box-shadow:var(--shadow)}
.expert figcaption b{display:block;font-size:1rem}
@media (max-width:900px){
  .hero{padding:44px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .expert{justify-self:start;max-width:340px}
}

/* grid cards */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.grid-3,.grid-2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.card p{color:var(--muted);margin:0}
.card .ico{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);margin-bottom:18px}
.card .ico svg{width:22px;height:22px}
.card-num{font-size:.85rem;font-weight:700;color:var(--accent);margin-bottom:10px;display:block}

/* formats */
.format{position:relative}
.format.featured{border:2px solid var(--accent)}
.badge{position:absolute;top:-13px;left:24px;background:var(--accent);color:#fff;font-size:.78rem;font-weight:700;padding:4px 10px;border-radius:999px}
.checks{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.checks li{position:relative;padding-left:28px;color:var(--muted)}
.checks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:16px;border-radius:50%;background:var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%233b5bfd' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}

/* price */
.price{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 40px}
.price-value{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;letter-spacing:-.03em;line-height:1}
.price-value small{font-size:1rem;font-weight:500;color:var(--muted);letter-spacing:0}
.price p{color:var(--muted);margin:10px 0 0}
@media (max-width:700px){.price{grid-template-columns:1fr;padding:28px}}

/* steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.steps li{counter-increment:s;border-top:2px solid var(--line);padding-top:18px}
.steps li::before{content:"0" counter(s);display:block;font-weight:700;color:var(--accent);margin-bottom:8px}
.steps li p{color:var(--muted);font-size:.96rem;margin:0}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}

/* blog cards */
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;color:var(--text);text-decoration:none!important;transition:border-color .2s,transform .2s}
.post-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.post-card .tag{font-size:.8rem;font-weight:600;color:var(--accent);margin-bottom:12px}
.post-card h3{font-size:1.2rem;margin-bottom:10px}
.post-card p{color:var(--muted);font-size:.96rem;margin:0 0 18px}
.post-card .more{margin-top:auto;font-weight:600;color:var(--accent);font-size:.95rem}

/* faq */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:0 22px}
.faq summary{cursor:pointer;list-style:none;font-weight:600;padding:18px 28px 18px 0;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:14px;font-size:1.4rem;font-weight:400;color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin:0 0 18px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-ways{display:grid;gap:12px;margin-top:24px}
.contact-ways .btn{justify-content:flex-start;width:100%;max-width:360px}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;display:grid;gap:14px}
.form label{font-size:.9rem;font-weight:600;display:grid;gap:6px}
.form input,.form select{width:100%;min-height:50px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);font:400 1rem var(--font)}
.form input:focus,.form select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form .btn{width:100%}
.form-note{font-size:.85rem;color:var(--muted);margin:0}
.form-status{font-size:.95rem;margin:0;min-height:1.4em}
.form-status.ok{color:#14904a}
.form-status.err{color:#d43a3a}
@media (max-width:900px){.contact{grid-template-columns:1fr;gap:32px}}

/* partners */
.partners{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.88rem;list-style:none;padding:0;margin:0}
.partners a{color:var(--muted)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:48px 0 100px;font-size:.92rem;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;margin-bottom:32px}
.site-footer h4{color:var(--text);font-size:.95rem;margin:0 0 12px}
.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.site-footer a{color:var(--muted)}
.site-footer a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr}}

/* floating telegram (mobile) */
.fab-tg{position:fixed;right:16px;bottom:16px;z-index:90;display:none;align-items:center;gap:8px;background:var(--tg);color:#fff;border-radius:999px;padding:12px 18px;font-weight:600;box-shadow:0 8px 24px rgba(34,158,217,.35);text-decoration:none!important}
.fab-tg svg{width:20px;height:20px}
@media (max-width:760px){.fab-tg{display:inline-flex}}

/* article */
.article{padding:28px 0 72px}
.article-head{max-width:760px;margin:0 auto 36px}
.article-head h1{font-size:clamp(1.9rem,3.6vw,2.9rem);margin-top:18px}
.article-meta{display:flex;flex-wrap:wrap;gap:6px 16px;color:var(--muted);font-size:.9rem}
.prose{max-width:720px;margin:0 auto;font-size:1.08rem;line-height:1.75}
.prose h2{font-size:1.65rem;margin:2.2em 0 .7em}
.prose h3{font-size:1.25rem;margin:1.8em 0 .6em}
.prose p,.prose ul,.prose ol{margin:0 0 1.2em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin-bottom:.5em}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 22px;border-left:3px solid var(--accent);color:var(--muted);font-size:1.12rem}
.prose .lede{font-size:1.25rem;color:var(--muted);line-height:1.6}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.97rem;display:block;overflow-x:auto}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{font-weight:600;background:var(--bg-soft)}
.toc{background:var(--bg-soft);border-radius:var(--radius);padding:20px 24px;margin:0 0 2em;font-size:.98rem}
.toc b{display:block;margin-bottom:8px}
.toc ol{margin:0;padding-left:1.2em}
.toc li{margin:.3em 0}
.callout{background:var(--accent-soft);border-radius:var(--radius);padding:20px 24px;margin:1.6em 0}
.callout p:last-child{margin:0}
.cta-box{max-width:720px;margin:48px auto 0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;display:grid;gap:16px}
.cta-box h2{font-size:1.4rem;margin:0}
.cta-box p{color:var(--muted);margin:0}
.cta-box .row{display:flex;flex-wrap:wrap;gap:10px}
.sources{font-size:.9rem;color:var(--muted)}
.sources li{word-break:break-word}
.related{max-width:720px;margin:48px auto 0}